Re: [Dev-C++] Multiply-included header problem

[Per W. <pw...@ia...>]

Your second solution, the one with

// main.h
extern int some_important_variable;

// main.cpp
int some_important_variable;

should work too - it's the normal way of accessing a variable between
multiple modules. I assume that all you needed to to was to perform a full
rebuild, since the extrafunctions.cpp already contained it's own copy of
the variable.

/Per W

On Sun, 27 Jul 2003, FerretallicA wrote:

> Oo oi,
>
> OK got it working... I tried the following code and it made no difference,
> but I tried doing a clean build and now it's worked. The solution is basic,
> but here it is anyway for those who might run into this problem at some
> point.
>
> MAIN.H
> #ifndef PRAGMAONCE
> #define PRAGMAONCE
> int some_important_variable;
> #endif
>
>
> PRAGMAONCE can be renamed to whatever you feel like if you really want.
>
> -FerretallicA
>
> ----- Original Message -----
> From: "FerretallicA" <fer...@ho...>
> To: "Dev-C++ Users Mailing List" <dev...@li...>
> Sent: Sunday, July 27, 2003 4:03 PM
> Subject: [Dev-C++] Multiply-included header problem
>
>
> Oo oi,
>
> I have a bit of a dilemma, albiet a seemingly simplistic one...
> Say I have 3 files as follows-
>
>
> MAIN.CPP
> #include "main.h"
>
> EXTRAFUNCTIONS.CPP
> #include "main.h"
>
> MAIN.H
> int some_variable_important_to_lots_of_functions;
>
>
> I keep getting errors that some_variable_important_to_lots_of_functions is
> being redefined. I have tried the "#pragma once" solution which worked with
> Visual C++ but it doesn't seem to work in Dev-C++. I tried
> the following-
>
>
> MAIN.CPP
> #include "main.h"
> int some_variable_important_to_lots_of_functions;
>
> EXTRAFUNCTIONS.CPP
> #include "main.h"
>
> MAIN.H
> extern int some_variable_important_to_lots_of_functions;
>
>
> Still the same problem. Does anyone know of a solution to this? Is this some
> mistake I am making, a problem with Dev-C++'s compiler, or what?
>
> -FerretallicA
>
>
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